Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Cruise control system / Idle signal circuit / Inspection procedure
Toyota Corolla (E120): Inspection procedure
1 Inspect terminal voltage(idl)

- Remove the cruise control ecu assy with connector still connected.
- disconnect the ecm connector.
- turn the ignition switch to on.
- measure voltage between terminal 13 (idl) of cruise control
ecu assy connector and body ground when the
throttle valve is fully closed and fully opened.
Ok:



2 Check harness and connector(between cruise control ecu assy and ecm)
- Check for open and short circuit in harness and connector between cruise control ecu assy and ecm


Check and replace cruise control ecu assy
Other materials:
Inspection
1. Thermostat
Hint:
the thermostat is numbered with the valve opening temperature.
Immerse the thermostat in water and gradually heat the
water.
check the valve opening temperature.
Valve opening temperature:
80 to 84 c (176 to 183 f)
Hint:
if the valve opening temperatur ...
Deleting a registered phone number
1 Select “Delete contacts” using .
2 Select the desired phone number using
and press
(YES).
To delete all of the registered phone numbers, select “All delete” using
and press
(YES). ...
Inspection procedure
1 Inspect cruise control actuator assy
Inspect the cruise control actuator arm locking operation.
Turn the ignition switch to off.
Disconnect the cruise control actuator assy connector.
Connect the positive (+) lead from the battery to the
terminal 3 (l) of crui ...


